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Assistant Testing and Commissioning Engineer Salary in California

How much does an Assistant Testing and Commissioning Engineer make in California? As of August 01, 2026, the average salary for an Assistant Testing and Commissioning Engineer in California is $100,067 per year, which breaks down to an hourly rate of $48.

However, an Assistant Testing and Commissioning Engineer's salary can vary significantly. Here's a look at the typical salary range:

  • Top Earners (90th percentile): $117,199
  • Majority Range (25th-75th percentile): $93,827 to $109,034
  • Entry-Level (10th percentile): $88,147
Salary Factors Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Check out Assistant Testing and Commissioning Engineer Job Openings in California

Key Factors That Influence Assistant Testing and Commissioning Engineer Salaries

An Assistant Testing and Commissioning Engineer's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.

How Experience Level Affects Assistant Testing and Commissioning Engineer Salaries?

Experience is a primary driver of an Assistant Testing and Commissioning Engineer's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:

  • Entry-Level (less than 1 year): $83,433
  • Early Career (1-2 years): $98,198
  • Mid-Level (2-4 years): $111,068
  • Senior-Level (5-8 years): $138,140
  • Expert (over 8 years): $165,739
Job RoleYears of ExperienceAverage Salary
Quality Assurance Engineer I less than 1 year $83,433
Assistant Testing and Commissioning Engineer 1-2 years $98,198
Quality Assurance Engineer III 2-4 years $111,068
Quality Assurance Engineer IV 5-8 years $138,140
Quality Assurance Engineer V over 8 years $165,739

How Do Assistant Testing and Commissioning Engineer Salaries Vary from State to State?

Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Assistant Testing and Commissioning Engineers. For example, consider the average annual salaries in these key locations:

  • District of Columbia: $100,448.
  • California: $100,067.
  • Massachusetts: $98,733.

Top Paying Cities for Assistant Testing and Commissioning Engineer

Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:

  • Los Angeles: $100,239
  • West Hollywood: $100,166
  • Dodgertown: $100,238

Assistant Testing and Commissioning Engineer Salary by Industry: Top Paying Sectors

For Assistant Testing and Commissioning Engineer roles, the industry you choose can affect earning potential by as much as 40% (the gap between the highest and lowest paying industries). Data shows that the Aerospace & Defense and Biotechnology sectors offer the strongest compensation, at 20% above the average. In contrast, Assistant Testing and Commissioning Engineer positions in Transportation or Retail & Wholesale typically offer lower base pay, as these industries often view Assistant Testing and Commissioning Engineer as a support function rather than a direct revenue driver.

The top paying industries for an Assistant Testing and Commissioning Engineer

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Aerospace & Defense $120,080 $58.0 20%
Biotechnology $120,080 $58.0 20%
Financial Services $120,080 $58.0 20%
Pharmaceuticals $120,080 $58.0 20%
Software & Networking $120,080 $58.0 20%

Assistant Testing and Commissioning Engineer Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Assistant Testing and Commissioning Engineer's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.

  • Yearly
  • Monthly
  • Weekly
  • Hourly
  • Table View
Last Updated on August 01, 2026
$93,827
Average $100,067/year
$109,034
$7,819
Average $8,339/month
$9,086
$1,804
Average $1,924/week
$2,097
$45
Average $48/hour
$52
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $109,034 $9,086 $2,097 $52
Average $100,067 $8,339 $1,924 $48
25th Percentile $93,827 $7,819 $1,804 $45

Find Your Next Assistant Testing and Commissioning Engineer Job

Ready to take the next step in your career? Browse thousands of current Assistant Testing and Commissioning Engineer job openings on our job board. Use the search bar below to find your perfect match.

  • Amazon Data Services, Inc. | MCNARY, OR

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    Amazon Data Services, Inc. | MCNARY, OR

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    Commissioning Project Engineer AMER

    Amazon Data Services, Inc. | HERNDON, VA

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    Retro Commissioning Engineer AMER

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  • Amazon | GLENDALE, CO

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  • Amazon Web Services, Inc. | NORTHLAKE, GA

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Where Does Our Salary Data Come From?

Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.

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